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1 | /* | |
2 | * Helpops system. | |
3 | * -- kaniini | |
4 | */ | |
5 | ||
6 | #include "stdinc.h" | |
7 | #include "modules.h" | |
8 | #include "client.h" | |
9 | #include "hook.h" | |
10 | #include "ircd.h" | |
11 | #include "send.h" | |
12 | #include "s_conf.h" | |
13 | #include "s_user.h" | |
14 | #include "s_newconf.h" | |
15 | #include "numeric.h" | |
16 | ||
17 | static rb_dlink_list helper_list = { NULL, NULL, 0 }; | |
18 | static void h_hdl_stats_request(hook_data_int *hdata); | |
19 | static void h_hdl_new_remote_user(struct Client *client_p); | |
20 | static void h_hdl_client_exit(hook_data_client_exit *hdata); | |
21 | static void h_hdl_umode_changed(hook_data_umode_changed *hdata); | |
22 | static void h_hdl_whois(hook_data_client *hdata); | |
23 | static int mo_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
24 | static int me_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
25 | static int do_dehelper(struct Client *source_p, struct Client *target_p); | |
26 | ||
27 | mapi_hfn_list_av1 helpops_hfnlist[] = { | |
28 | { "doing_stats", (hookfn) h_hdl_stats_request }, | |
29 | { "new_remote_user", (hookfn) h_hdl_new_remote_user }, | |
30 | { "client_exit", (hookfn) h_hdl_client_exit }, | |
31 | { "umode_changed", (hookfn) h_hdl_umode_changed }, | |
32 | { "doing_whois", (hookfn) h_hdl_whois }, | |
33 | { "doing_whois_global", (hookfn) h_hdl_whois }, | |
34 | { NULL, NULL } | |
35 | }; | |
36 | ||
37 | static int UMODE_HELPOPS = 0; | |
38 | ||
39 | struct Message dehelper_msgtab = { | |
40 | "DEHELPER", 0, 0, 0, 0, | |
41 | {mg_unreg, mg_not_oper, mg_not_oper, mg_ignore, {me_dehelper, 2}, {mo_dehelper, 2}} | |
42 | }; | |
43 | ||
44 | mapi_clist_av1 helpops_clist[] = { &dehelper_msgtab, NULL }; | |
45 | ||
46 | static const char helpops_desc[] = "The helpops system as used by freenode"; | |
47 | ||
48 | static int mo_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) | |
49 | { | |
50 | struct Client *target_p; | |
51 | ||
52 | if (!IsOperAdmin(source_p)) | |
53 | { | |
54 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin"); | |
55 | return 0; | |
56 | } | |
57 | ||
58 | if(!(target_p = find_named_person(parv[1]))) | |
59 | { | |
60 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); | |
61 | return 0; | |
62 | } | |
63 | ||
64 | if(MyClient(target_p)) | |
65 | do_dehelper(source_p, target_p); | |
66 | else | |
67 | sendto_one(target_p, ":%s ENCAP %s DEHELPER %s", | |
68 | use_id(source_p), target_p->servptr->name, use_id(target_p)); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | static int me_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) | |
74 | { | |
75 | struct Client *target_p = find_person(parv[1]); | |
76 | if(!target_p) | |
77 | { | |
78 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); | |
79 | return 0; | |
80 | } | |
81 | if(!MyClient(target_p)) | |
82 | return 0; | |
83 | ||
84 | do_dehelper(source_p, target_p); | |
85 | return 0; | |
86 | } | |
87 | ||
88 | static int do_dehelper(struct Client *source_p, struct Client *target_p) | |
89 | { | |
90 | const char *fakeparv[4]; | |
91 | ||
92 | if(!(target_p->umodes & UMODE_HELPOPS)) | |
93 | return 0; | |
94 | ||
95 | sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using DEHELPER on %s", | |
96 | source_p->name, target_p->name); | |
97 | sendto_one_notice(target_p, ":*** %s is using DEHELPER on you", source_p->name); | |
98 | ||
99 | fakeparv[0] = fakeparv[1] = target_p->name; | |
100 | fakeparv[2] = "-H"; | |
101 | fakeparv[3] = NULL; | |
102 | user_mode(target_p, target_p, 3, fakeparv); | |
103 | return 0; | |
104 | } | |
105 | ||
106 | static int | |
107 | _modinit(void) | |
108 | { | |
109 | /* add the usermode to the available slot */ | |
110 | user_modes['H'] = UMODE_HELPOPS = find_umode_slot(); | |
111 | construct_umodebuf(); | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
116 | static void | |
117 | _moddeinit(void) | |
118 | { | |
119 | /* disable the umode and remove it from the available list */ | |
120 | user_modes['H'] = UMODE_HELPOPS = 0; | |
121 | construct_umodebuf(); | |
122 | } | |
123 | ||
124 | static void | |
125 | h_hdl_stats_request(hook_data_int *hdata) | |
126 | { | |
127 | struct Client *target_p; | |
128 | rb_dlink_node *helper_ptr; | |
129 | unsigned int count = 0; | |
130 | ||
131 | if (hdata->arg2 != 'p') | |
132 | return; | |
133 | ||
134 | RB_DLINK_FOREACH (helper_ptr, helper_list.head) | |
135 | { | |
136 | target_p = helper_ptr->data; | |
137 | ||
138 | if(target_p->user->away) | |
139 | continue; | |
140 | ||
141 | count++; | |
142 | ||
143 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
144 | "p :%s (%s@%s)", | |
145 | target_p->name, target_p->username, | |
146 | target_p->host); | |
147 | } | |
148 | ||
149 | sendto_one_numeric(hdata->client, RPL_STATSDEBUG, | |
150 | "p :%u staff members", count); | |
151 | ||
152 | hdata->result = 1; | |
153 | } | |
154 | ||
155 | static void | |
156 | h_hdl_new_remote_user(struct Client *client_p) | |
157 | { | |
158 | if (client_p->umodes & UMODE_HELPOPS) | |
159 | rb_dlinkAddAlloc(client_p, &helper_list); | |
160 | } | |
161 | ||
162 | static void | |
163 | h_hdl_client_exit(hook_data_client_exit *hdata) | |
164 | { | |
165 | if (hdata->target->umodes & UMODE_HELPOPS) | |
166 | rb_dlinkFindDestroy(hdata->target, &helper_list); | |
167 | } | |
168 | ||
169 | static void | |
170 | h_hdl_umode_changed(hook_data_umode_changed *hdata) | |
171 | { | |
172 | struct Client *source_p = hdata->client; | |
173 | ||
174 | /* didn't change +H umode, we don't need to do anything */ | |
175 | if (!((hdata->oldumodes ^ source_p->umodes) & UMODE_HELPOPS)) | |
176 | return; | |
177 | ||
178 | if (source_p->umodes & UMODE_HELPOPS) | |
179 | { | |
180 | if (MyClient(source_p) && !HasPrivilege(source_p, "usermode:helpops")) | |
181 | { | |
182 | source_p->umodes &= ~UMODE_HELPOPS; | |
183 | sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "usermode:helpops"); | |
184 | return; | |
185 | } | |
186 | ||
187 | rb_dlinkAddAlloc(source_p, &helper_list); | |
188 | } | |
189 | else if (!(source_p->umodes & UMODE_HELPOPS)) | |
190 | rb_dlinkFindDestroy(source_p, &helper_list); | |
191 | } | |
192 | ||
193 | static void | |
194 | h_hdl_whois(hook_data_client *hdata) | |
195 | { | |
196 | struct Client *source_p = hdata->client; | |
197 | struct Client *target_p = hdata->target; | |
198 | ||
199 | if ((target_p->umodes & UMODE_HELPOPS) && EmptyString(target_p->user->away)) | |
200 | { | |
201 | sendto_one_numeric(source_p, RPL_WHOISHELPOP, form_str(RPL_WHOISHELPOP), target_p->name); | |
202 | } | |
203 | } | |
204 | ||
205 | DECLARE_MODULE_AV2(helpops, _modinit, _moddeinit, helpops_clist, NULL, helpops_hfnlist, NULL, NULL, NULL); |